Herbert Ivan Jernow, M.D.
Internal Medicine Physician · Armonk, NY
Herbert Ivan Jernow, M.D. is an internal medicine physician with a practice address in Armonk, New York, and NPI 1215296520, issued on May 7, 2012. Check the license (New York 097928, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Herbert Ivan Jernow
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 097928 NY
Self-reported in NPPES; status is on the state search - Practice location
- 28 Evergreen Row, Armonk, NY 10504
- Phone
- (914) 273-4229
- Enumerated
- May 7, 2012
- Record last updated
- May 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (914) 273-3722
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Herbert Ivan Jernow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 097928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Herbert Ivan Jernow among 12,067 internal medicine physician records in New York
Herbert Ivan Jernow, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Armonk
They are 6 of the 158 NPPES records with a practice address in Armonk, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Armonk → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Aberman, MDArmonk, NY 105041366686792
- Bradley Adler, M.D.Armonk, NY 105041003914573
- Frank Contacessa, M.D.Armonk, NY 105041588654172
- Vita Dicpinigaitis, M.D.Armonk, NY 105041861768160
- Brandi Gestri, MDArmonk, NY 105041215977301
- Tevfik Mentes, MDArdsley, NY 105021245320993
- Laurence Miller, M.D.Ardsley, NY 105021407800303
- Surinder Pal, M.D,Ardsley, NY 105021538245139
Common questions
What is Herbert Ivan Jernow, M.D.'s NPI number?
Herbert Ivan Jernow, M.D.'s National Provider Identifier (NPI) is 1215296520, issued on May 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Herbert Ivan Jernow, M.D. located?
The NPPES record lists a practice address at 28 Evergreen Row, Armonk, NY, 10504. Phone: (914) 273-4229. Providers update this record themselves, so call before visiting.
How can I verify Herbert Ivan Jernow, M.D.'s license?
NPPES lists New York license number 097928, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Herbert Ivan Jernow, M.D. prescribe under Medicare Part D?
In 2024, Herbert Ivan Jernow, M.D. had 14 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.